| 摘要 |
<p>PURPOSE:To improve an operability by using an optical medium capable of being changed to a portable computer and mounting an optical memory at least for reproducing or recording in a recording medium and eliminating a necessity to exchange the optical medium. CONSTITUTION:In the portable computer, a ROM 12 and a RAM 13 as an internal storing element and a keyboard 14 and a printer 16 as an input device and an optical memory 17 are disposed. The recording medium as a prescribed form is used for this portable computer and a program for a word processor, dictionary data and a table calculating program or the like are inputted in the medium. The medium is mounted on the computer, a laser light is used for this optical memory to record and reproduce the data and the program to the medium. Then, the medium is inserted to the optical memory mounted on the computer to form a sentence and calculate the table and insert other medium at the time of executing other operation.</p> |
